<template>
  <div>
    <li @mouseenter="Num = id" @mouseleave="Num = 1">
      <label>
        <input type="checkbox" :checked="done" @change="changeDone(id)"/>
        <span>{{title}}</span>
      </label>
      <button class="btn btn-danger" @click="deleteId(id)" :style="{display: Num === id ? 'block':'none'}">删除</button>
    </li>
  </div>
</template>


<script>
export default {
  name:"Item",
  props:["id","done","title","deleteId","changeDone"],
  data(){
    return{
      Num:1,
    }
  }
}
</script>


<style>
/*item*/
li {
  list-style: none;
  height: 36px;
  line-height: 36px;
  padding: 0 5px;
  border-bottom: 1px solid #ddd;
}

li label {
  float: left;
  cursor: pointer;
}

li label li input {
  vertical-align: middle;
  margin-right: 6px;
  position: relative;
  top: -1px;
}

li button {
  float: right;
  display: none;
  margin-top: 3px;
}

li:before {
  content: initial;
}

li:last-child {
  border-bottom: none;
}
</style>